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This is a rebuild of Drinking Water Watch and not yet the official record. Use the agency’s current Drinking Water Watch for anything you need to rely on.

Chemical and radiological sample results

MS0160004 , North Covington W/A-North

18 of the 58 analytes this system has been tested for have been detected at least once, across 373 samples on record.

The other 40 were tested for and never found. An analyte is counted here if any result on record measured it, so this covers the whole history and not the samples listed below.

Across all 373 samples on record, detections range from July 12, 1993 to February 11, 2026. These figures cover the whole record.

What counts as a non-detect is defined in the help: Less than Indicator. This system’s violations.

What has been detected, ever

Every analyte measured above its reporting level at any point in this system’s record, most often detected first. This is not limited to the samples listed below.

Every analyte ever detected for North Covington W/A-North, with how many results found it and when it was first and last detected. Covers the whole record, not only the samples listed below.
Analyte Kind Detected in First detected Last detected
Copper, Free 1022 Inorganic Chemical 173 of 227 results Jul 12, 1993 Sep 24, 2025
Lead 1030 Inorganic Chemical 82 of 227 results Jul 12, 1993 Sep 24, 2025
Nitrate-Nitrite 1038 Inorganic Chemical 38 of 38 results May 3, 2004 Feb 11, 2026
Nitrate 1040 Inorganic Chemical 38 of 38 results May 3, 2004 Feb 11, 2026
Barium 1010 Inorganic Chemical 17 of 17 results Apr 16, 2002 Feb 5, 2025
Nickel 1036 Inorganic Chemical 6 of 17 results Apr 16, 2002 Feb 5, 2025
Sodium 1052 Inorganic Chemical 6 of 6 results Sep 16, 2019 Oct 16, 2024
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 5 of 21 results Jul 9, 2007 Aug 6, 2024
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 5 results Dec 13, 2011 Jul 13, 2012
Gross Alpha Particle Activity 4109 Radionuclide 4 of 4 results Jun 20, 2012 Jan 16, 2013
Chromium 1020 Inorganic Chemical 3 of 17 results Apr 16, 2002 Apr 16, 2014
TTHM 2950 Organic Chemical 2 of 22 results Jul 9, 2007 Sep 23, 2008
Selenium 1045 Inorganic Chemical 2 of 17 results Jan 26, 2004 Jan 25, 2006
Dichloroacetic Acid 2451 Organic Chemical 1 of 14 results Aug 6, 2024 Aug 6, 2024
Monochloroacetic Acid 2450 Organic Chemical 1 of 14 results Jul 25, 2018 Jul 25, 2018
Arsenic 1005 Inorganic Chemical 1 of 17 results May 11, 2011 May 11, 2011
Fluoride 1025 Inorganic Chemical 1 of 17 results Mar 24, 2008 Mar 24, 2008
Cadmium 1015 Inorganic Chemical 1 of 17 results Jan 25, 2006 Jan 25, 2006

No date range is applied: this list draws on every sample on record. Show the last two years only.

The most recent samples, result by result

The table below lists 161–170 of 373 samples, newest first — collected February 4, 2019 to August 28, 2019. The summary above covers all 373.

31 results from the 10 samples listed here: 13 detected, 18 not detected. Across the whole record it is 386 of 1,423. A sample is analysed for many analytes at once, so one sample appears on as many rows as it had results.

Chemical and radiological sample results for North Covington W/A-North, every result from 161 to 170 of 373 samples shown, newest first. Not detected means the amount was below the level the laboratory can reliably report, which is given beside it.
Result Analyte Monitoring period
Collected
Aug 28, 2019 07:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
190829-017PB
Laboratory
MSDH Lab
1.7453 mg/l , sample collected Aug 28, 2019 07:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.008 mg/l , sample collected Aug 28, 2019 07:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
Aug 28, 2019 07:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
190829-016PB
Laboratory
MSDH Lab
1.6951 mg/l , sample collected Aug 28, 2019 07:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0009 mg/l , sample collected Aug 28, 2019 07:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
Aug 28, 2019 07:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
190829-015PB
Laboratory
MSDH Lab
0.0308 mg/l , sample collected Aug 28, 2019 07:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 28, 2019 07:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
Aug 28, 2019 06:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
190829-013PB
Laboratory
MSDH Lab
1.6691 mg/l , sample collected Aug 28, 2019 06:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0018 mg/l , sample collected Aug 28, 2019 06:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
Aug 28, 2019 06:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
190829-012PB
Laboratory
MSDH Lab
0.4978 mg/l , sample collected Aug 28, 2019 06:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0025 mg/l , sample collected Aug 28, 2019 06:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
Aug 28, 2019 04:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
190829-011PB
Laboratory
MSDH Lab
0.3472 mg/l , sample collected Aug 28, 2019 04:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0028 mg/l , sample collected Aug 28, 2019 04:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
Jul 17, 2019 15:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
190718-023HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Jul 17, 2019 15:00, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jul 17, 2019 15:00, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jul 17, 2019 15:00, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jul 17, 2019 15:00, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jul 17, 2019 15:00, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
Not detected below 0.006 mg/l Minimum Reporting Level , sample collected Jul 17, 2019 15:00, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2019 – Dec 31, 2019
Collected
Jul 17, 2019 03:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
190718-021TH
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 17, 2019 03:00, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 17, 2019 03:00, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 17, 2019 03:00, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 17, 2019 03:00, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
Not detected below 4 ug/l Minimum Reporting Level , sample collected Jul 17, 2019 03:00, sampling point MRT000 TTHM 2950 Jan 1, 2019 – Dec 31, 2019
Collected
May 20, 2019 02:55
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
190521-012TH
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected May 20, 2019 02:55, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected May 20, 2019 02:55, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected May 20, 2019 02:55, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected May 20, 2019 02:55, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
Not detected below 4 ug/l Minimum Reporting Level , sample collected May 20, 2019 02:55, sampling point MRT000 TTHM 2950 Not recorded
Collected
Feb 4, 2019 12:45
Sampling point
TF081 Treatment Facility TF081
Sample type
Routine
Lab sample
190205-042NI
Laboratory
MSDH Lab
0.59 mg/l , sample collected Feb 4, 2019 12:45, sampling point TF081 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2019 – Dec 31, 2019
0.58 mg/l , sample collected Feb 4, 2019 12:45, sampling point TF081 Nitrate 1040 EPA method QC10107041C Jan 1, 2019 – Dec 31, 2019
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 4, 2019 12:45, sampling point TF081 Nitrite 1041 EPA method QC10107041C Jan 1, 2019 – Dec 31, 2019

Routine (10).